The iPhone has some wonderful strengths as a gaming machine, along with some very serious flaws. The lack of a physical controller means that developers are forced to use tilt and touch controls for their games, which has lead to some interesting control solutions. That means it can be tough to create a straightforward port of existing titles. Konami is forgoing the usual clone titles and tower defense games for its first jump onto Apple's "gaming platform," bringing both Dance Dance Revolution and Silent Hill titles to the iPhone. This is a much riskier strategy than creating more casual-friendly puzzle or word games;